The Auxiliary project aims at making earphones modular in the aspect that it allows you to flip/switch/change cables when you want or need to, since the most vulnerable part of any portable audio device is the cable. READ MORE at Yanko Design !
Philips - An utra-portable speaker made to stream music wirelessly via Bluetooth. It is also built with a sturdy and mini design that makes it really portable. Philips also has a decent battery life of up to 6 hours.